The threesuspected individuals aboard a motorcycle towards Jolo town, Sulu province weresighted by the army troops who tried to stop them for checking. The suspectsfired at the soldiers, who fought back and killed the three.
The attackersincluded two Egypt nationals and a Filipino who is believed to be from the AbuSayyaf.
The troops recovereda pistol with ammunition, a hand grenade, explosives and triggering devices.
Abu Sayyaf,which has been terrorizing the southern Philippines since the 1990s, haspledged allegiance to the self-proclaimed Islamic State (IS). The group hasbeen responsible for deadly bombings, ransom kidnappings and beheadings in theregion.
Jolo has seentwo deadly bombings early this year, killing more than 20 people and injuringover 100 others./.